Some technicians share these on Google Drive or MediaFire links within the descriptions of YouTube tutorials specifically for Changhong LED TV repairs.
Plug the USB into the TV's USB port while the TV is unplugged. Download Changhong LED32E20 JUC7 820 00064337 Dump rar
If the TV is totally unresponsive, you will need an or RT809H programmer to write the dump directly to the SPI Flash or eMMC chip on the motherboard. This requires technical expertise and specialized hardware. Crucial Identification Some technicians share these on Google Drive or